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authorClaudiu Beznea <claudiu.beznea@microchip.com>2022-11-17 15:15:45 +0200
committerVinod Koul <vkoul@kernel.org>2023-01-18 22:14:22 +0530
commit650b0e990cbd7e214251a173460f79f3681e8233 (patch)
treea439d76022ab9011a5e594c06c995968602c296f /drivers/dma/imx-dma.c
parent610b573e5169336e99092dbf7071fdf08222c3f1 (diff)
downloadlwn-650b0e990cbd7e214251a173460f79f3681e8233.tar.gz
lwn-650b0e990cbd7e214251a173460f79f3681e8233.zip
dmaengine: at_xdmac: add runtime pm support
Add runtime PM support which involves disabling/enabling controller's clocks on runtime PM suspend/resume ops. The runtime suspend/resume is done based on the work submitted to the controller: runtime resume is happening on at_xdmac_start_xfer() and runtime suspend on at_xdmac_tasklet(). Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Link: https://lore.kernel.org/r/20221117131547.293044-2-claudiu.beznea@microchip.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/imx-dma.c')
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